diff --git a/tests/orog/ftst_find_poles.F90 b/tests/orog/ftst_find_poles.F90
index 3d98cb972..b0b9e953f 100644
--- a/tests/orog/ftst_find_poles.F90
+++ b/tests/orog/ftst_find_poles.F90
@@ -2,6 +2,9 @@ program ftst_find_poles
 
 ! Unit test for routine find_poles.
 !
+! Checks if a model tile contains a 'pole'
+! point based on the latitude of each point.
+!
 ! Author George Gayno NCEP/EMC
 
  use orog_utils, only    : find_poles